A. to provide low impedance
B. to discharge the charging capacitance to ground
C. protection for operating personnel
D. both (B) and (C)
Earthing or Grounding
Factors on which soil resistance depends_______________?
A. depth of the electrode
B. moisture
C. Nacl
D. all the above
Average resistance of human body is____________?
A. 500 ohms
B. 1000 ohms
C. 1500 ohms
D. 2000 ohms
Moisture content in the soil __________ the earth soil resistance?
A. increase
B. decrease
C. does not affect
D. none of the above
The objective of earthing or grounding is_______________?
A. to provide as low resistance possible to the ground
B. to provide as high resistance possible to the ground
C. to provide flow of positive, negative and zero sequence currents
D. none of the above
